26 to 45 of 45 Refactoring Jobs in the UK

market data, macro, fundamentals, fund and index data, internal holdings, with quality control the PMs actually trust. Use AI coding agents daily for prototyping, refactoring, testing, review, and documentation. Bring opinions on where they help and where they hurt. Build internal AI-backed tooling for the team where it earns ...

business analysts, testers, and stakeholders to gather requirements, implement enhancements, and deliver application updates with minimal disruption to users. Supported application modernization initiatives by refactoring Legacy components, improving code quality, and contributing to migration planning for newer .NET technologies and architectures. ...

business analysts, testers, and stakeholders to gather requirements, implement enhancements, and deliver application updates with minimal disruption to users. Supported application modernization initiatives by refactoring legacy components, improving code quality, and contributing to migration planning for newer .NET technologies and architectures. ...

architecture, and best practices. Your work will include: Rebuilding the UI into modular, maintainable React components Setting up a modern framework (Vite or Next.js) Refactoring state management (use Reducer or Zustand) Styling with Tailwind CSS Implementing routing (React Router or Next.js routing) Building a lightweight Node.js backend Adding authentication Integrating ...

Cloud and Service Cloud development Experience with version control, CI/CD, and modern Salesforce tooling (e.g. SFDX, CLI) Desirable (but not essential): Experience refactoring legacy Aura or Visualforce solutions Exposure to Marketing Cloud or other Salesforce products Broader Salesforce certifications beyond Platform Developer I Experience working with third-party ...

maintainability Support backend services powering web and mobile learning platforms What We're Looking For Strong commercial Go/Golang experience Experience improving and refactoring existing systems Good understanding of scalable backend architecture Pragmatic engineer with strong software fundamentals AI experience is a bonus, but strong Go engineering ...

Collaborating on system design Delivering high quality software Mentoring team members & coaching them on best practice and improvements Reviewing pull requests Planning and actioning refactoring efforts to support the wider product strategy Developing new features according to specification Triaging and fixing defects Essential Experience: Advanced C++ Expertise - Deep knowledge … upskill developers at various experience levels through hands-on collaboration, code reviews, and knowledge-sharing Technical Debt Reduction - Experience in identifying, prioritising, and refactoring code to improve modularity, testability, and maintainability Architectural/System Design Support - Ability to contribute to architectural decisions and technical strategy, supporting the broader product vision ...

Collaborating on system design Delivering high quality software Mentoring team members & coaching them on best practice and improvements Reviewing pull requests Planning and actioning refactoring efforts to support the wider product strategy Developing new features according to specification Triaging and fixing defects Essential Experience: Advanced C++ Expertise - Deep knowledge … upskill developers at various experience levels through hands-on collaboration, code reviews, and knowledge-sharing Technical Debt Reduction - Experience in identifying, prioritising, and refactoring code to improve modularity, testability, and maintainability Architectural/System Design Support - Ability to contribute to architectural decisions and technical strategy, supporting the broader product vision ...

Airbyte), moving beyond standalone SQL Server environments. Leading integrations – supporting our NetSuite migration and creating scalable data frameworks for future acquisitions. Modernising legacy systems – refactoring complex, business-critical T-SQL into modular, high-performance cloud workflows. Raising engineering standards – introducing Git, CI/CD pipelines, automated testing and best-practice … Engineer 3–5+ years’ experience in Data Engineering, ideally involving cloud warehouse builds or migrations Expert-level SQL/T-SQL with proven experience refactoring and optimising complex logic Hands-on experience with cloud data warehouses (e.g. BigQuery, Snowflake), ingestion tools (Airflow, Airbyte), and analytics tooling such ...

Senior .NET Migration Engineer (Cloud Modernization) Permanent | London (Hybrid) | Tech: .NET 10, Kubernetes, AWS, Terraform, AI Agents The Mission Forget standard "lift-and-shift." We are completely modernizing our Back End estate, moving from a ...

Senior .NET Migration Engineer (Cloud Modernization) Permanent | London (Hybrid) | Tech: .NET 10, Kubernetes, AWS, Terraform, AI Agents The Mission Forget standard "lift-and-shift." We are completely modernizing our backend estate, moving from a legacy ...

The Role: You’ll deliver in complex client environments - pairing, TDD, emerging design, refactoring. We think, challenge, and guide, not just code. Our clients trust us to bring judgment, not just a keyboard. Model: Hybrid ...

The Role: You’ll deliver in complex client environments - pairing, TDD, emerging design, refactoring. We think, challenge, and guide, not just code. Our clients trust us to bring judgment, not just a keyboard. Model: Hybrid ...

The Role: You’ll deliver in complex client environments - pairing, TDD, emerging design, refactoring. We think, challenge, and guide, not just code. Our clients trust us to bring judgment, not just a keyboard. Model: Hybrid ...

complex software systems. The role would suit someone with strong Python development experience, ideally combined with exposure to C/C++ integration , performance improvement, refactoring, legacy system modernisation or engineering-heavy environments. You will work on technically challenging codebases where reliability, maintainability and engineering quality are critical. This will include … Investigating complex defects and incidents Performing root cause analysis Implementing durable fixes Refactoring and improving existing software Supporting architecture changes as requirements evolve Helping modernise codebases, tooling and engineering standards The role requires someone who is comfortable working across established systems, improving existing code and supporting other engineers through mentoring ...

complex software defects and live system incidents Perform structured root cause analysis and implement robust, long term fixes rather than short term patches Deliver refactoring and modernisation work across large, complex codebases Work across multiple languages and integration layers including Python, C and C++ and where relevant MATLAB and Simulink … government Strong communication skills with the ability to influence engineering standards and mentor others Comfortable working in legacy codebases while supporting modernisation and refactoring initiatives Active DV clearance is essential for this role ...

The Role: You’ll deliver in complex client environments - pairing, TDD, emerging design, refactoring. We think, challenge, and guide, not just code. Our clients trust us to bring judgment, not just a keyboard. Model: Hybrid ...

The Role: You’ll deliver in complex client environments - pairing, TDD, emerging design, refactoring. We think, challenge, and guide, not just code. Our clients trust us to bring judgment, not just a keyboard. Locations: Newcastle ...

suit you perfectly. The Role You will become the technical lead responsible for the evolution of a substantial C++ codebase. Your mission spans architecture, refactoring, and quality engineering: Modernise a tightly coupled monolith into a more modular, maintainable architecture Introduce modern C++ standards (C++17/20) , patterns, and tooling Lead … structured programme of incremental refactoring and technical debt reduction Establish and champion effective testing strategies across the codebase Improve testability , reliability, and long-term maintainability Drive adoption of CI/CD, automated testing, and static/dynamic analysis tools Mentor engineers, lead design reviews, and set engineering standards Balance strategic ...

Overview We are seeking an experienced Oracle Database 19c Developer/Application Maintenance Engineer to support and enhance bespoke applications built on Oracle technologies. This role focuses on maintaining and improving existing systems, resolving production ...